아 그거요!
제가 설명해드리죠.
member_join.php파일 내용 복사중.....
<?
// 라이브러리 함수 파일 인크루드
include "lib.php";

// DB 연결
if(!$connect) $connect=dbConn();

// 그룹 번호 체크
if(!$group_no) {
$tmpResult = mysql_fetch_array(mysql_query("select * from $group_table order by no limit 1"));
$group_no = $tmpResult[no];
}

// 멤버 정보 구해오기;;; 멤버가 있을때
$member=member_info();

if($mode=="admin"&&($member[is_admin]==1||($member[is_admin]==2&&$member[group_no]==$group_no))) $mode = "admin";
else $mode = "";

if($member[no]&&!$mode) Error("이미 가입이 되어 있습니다.","window.close");


// 게시판과 그룹설정에 따라서 회원 가입 설정
if($id) {
// 현재 게시판 설정 읽어 오기
$setup=get_table_attrib($id);

// 설정되지 않은 게시판일때 에러 표시
if(!$setup[name]) Error("생성되지 않은 게시판입니다.<br><br>게시판을 생성후 사용하십시요","window.close");

// 현재 게시판의 그룹의 설정 읽어 오기
$group=group_info($setup[group_no]);
if(!$group[use_join]&&!$mode) Error("현재 지정된 그룹은 추가 회원을 모집하지 않습니다","window.close");

} else {

if($group_name) $group=mysql_fetch_array(mysql_query("select * from $group_table where name='$group_name'"));
elseif($group_no) $group=mysql_fetch_array(mysql_query("select * from $group_table where no='$group_no'"));
if(!$group[no]) Error("지정된 그룹이 존재하지 않습니다");
if(!$group[use_join]&&!$mode) Error("현재 지정된 그룹은 추가 회원을 모집하지 않습니다");

}

$check[1]="checked";

if(!$referer) $referer=$HTTP_REFERER;

$setup[header]="";
$setup[footer]="";
$setup[header_url]="";
$setup[footer_url]="";
$group[header]="";
$group[footer]="";
$group[header_url]="";
$group[footer_url]="";
$setup[skinname]="";

head();

echo "<div align=center><br>";
?>

<script>
function address_popup(num)
{
window.open('zipcode/search_zipcode.php?num='+num,'searchaddress','width=440,height=230,scrollbars=yes');
}

function check_submit()
{

<?
if(file_exists("./join_license.txt")) {
?>

if(!write.accept.checked) {
alert("가입약관에 동의하셔야 회원가입을 할수 있습니다");
return false;
}

<?
}
?>

if(!write.user_id.value) {alert("아이디를 입력하여 주십시요.");write.user_id.focus(); return false;}

<?
if($_zbDefaultSetup[enable_hangul_id]=="false") {
?>

// ID Check
if(write.user_id.value.length<4||write.user_id.value.length>40) {
alert("아이디는 4자 이상, 40자 이하여야 합니다.");
write.user_id.focus();
return false;
}
var valid = "abcdefghijklmnopqrstuvwxyz0123456789_";
var startChar = "abcdefghijklmnopqrstuvwxyz";
var temp;
write.user_id.value = write.user_id.value.toLowerCase();
temp = write.user_id.value.substring(0,1);
if (startChar.indexOf(temp) == "-1") {
alert("아이디의 첫 글자는 영문이어야 합니다.");
write.user_id.value = "";
write.user_id.focus();
return false;
}
for (var i=0; i<write.user_id.value.length; i++) {
temp = "" + write.user_id.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") {
alert("아이디는 영문과 숫자, _ 로만 이루어질수 있습니다.");
write.user_id.value = "";
write.user_id.focus();
return false;
}
}
<?
}
?>

if(!write.password.value) {alert("비밀번호를 입력하여 주십시요.");write.password.focus(); return false;}
if(!write.password1.value) {alert("비밀번호 확인을 입력하여 주십시요.");write.password1.focus(); return false;}
if(write.password.value!=write.password1.value) {alert("패스워드가 일치하지 않습니다.");write.password.value="";write.password1.value=""; write.password.focus(); return false;}
if(!write.name.value) { alert("이름을 입력하세요"); write.name.focus(); return false; }

<? if($group[use_birth])
{ ?>

if ( write.birth_1.value < 1000 || write.birth_1.value <= 0 ) {
alert('생년이 잘못입력되었습니다.');
write.birth_1.value='';
write.birth_1.focus();
return false;
}
if ( write.birth_2.value > 12 || write.birth_2.value <= 0 ) {
alert('생월이 잘못입력되었습니다.');
write.birth_2.value='';
write.birth_2.focus();
return false;
}
if ( write.birth_3.value > 31 || write.birth_3.value <= 0 ) {
alert('생일이 잘못입력되었습니다.');
write.birth_3.value='';
write.birth_3.focus();
return false;
}
<? } ?>
if(!write.email.value) {alert("E-Mail을 입력하여 주십시요.");write.email.focus(); return false;}

<? if($group[use_jumin]&&!$mode)
{ ?>
if(!write.jumin1.value) {alert("주민등록번호를 입력하여 주십시요");write.jumin1.focus(); return false;}
if(!write.jumin2.value) {alert("주민등록번호를 입력하여 주십시요");write.jumin2.focus(); return false;}
<?}?>

return true;
}

function check_id(id)
{
if(!id)
{
alert('아이디를 입력하여 주십시요');
}
else
{
window.open('check_user_id.php?user_id='+id,'check_user_id','width=200,height=100,toolbar=no,status=no,resizable=no');
}
}

function check_accept() {
return confirm("위의 가입 약관을 모두 보았으며, 동의하십니까?");
}

</script>
<table border=0 cellspacing=1 cellpadding=0 width=540>
<form name=write method=post action=member_join_ok.php enctype=multipart/form-data onsubmit="return check_submit();">
<input type=hidden name=id value=<?=$id?>>
<input type=hidden name=referer value="<?=$referer?>">
<input type=hidden name=group_no value="<?=$group[no]?>">
<input type=hidden name=mode value="<?=$mode?>">

<tr><td colspan=2><img src=images/member_joinin.gif><br><br></td></tr>

<?
if(file_exists("./join_license.txt")) {
$f=fopen("join_license.txt",r);
$join_license = fread($f,filesize("join_license.txt"));
fclose($f);
?>
<tr><td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="3"></td></tr>
<tr>
<td colspan=2>
<br><div align=center><textarea cols=80 rows=6 readonly style=border-color:#d8b3b3;width:95% class=input><?=$join_license?></textarea></div>
</td>
</tr>
<tr>
<td colspan=2>   <input type=checkbox name=accept value=1 onclick="return check_accept()"> 위의 가입 약관에 동의합니다</td>
</tr>
<?
}
?>
<tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="3"></td>
</tr>
<tr align=right>
<td width=25% style=font-family:Tahoma;font-size:8pt;><b>아이디 </td>
<td align=left> <input type=text name=user_id size=20 maxlength=20 style=border-color:#d8b3b3 class=input> <input type=button value='Check ID' style=color:#000000;border-color:#dfb8b8;background-color:#f0f0f0;font-size:8pt;font-family:Tahoma;height:20px; onclick=check_id(write.user_id.value)><br><img src=images/t.gif border=0 height=4><? if($_zbDefaultSetup[enable_hangul_id]=="false") {?><br> (영문,숫자,_로만 아이디를 작성하세요)<? } ?></td>
</tr>
<tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;><B>패스워드 </td>
<td align=left> <input type=password name=password size=20 maxlength=20 style=border-color:#d8b3b3 class=input> 확인 : <input type=password name=password1 size=20 maxlength=20 style=border-color:#d8b3b3 class=input></td>
</tr>
<tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;><b>이름 </td>
<td align=left> <input type=text name=name size=20 maxlength=20 value="<?=$member[name]?>" style=border-color:#d8b3b3 class=input></td>
</tr>
<tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? if($group[use_birth]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;><b>생일 </td>
<td align=left> <input type=text name=birth_1 size=4 maxlength=4 style=border-color:#d8b3b3 class=input> 년
 <input type=text name=birth_2 size=2 maxlength=2 style=border-color:#d8b3b3 class=input> 월
 <input type=text name=birth_3 size=2 maxlength=2 style=border-color:#d8b3b3 class=input> 일
<input type=checkbox value=1 checked name=open_birth> 공개
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;><b>이메일 </td>
<td align=left> <input type=text name=email size=50 maxlength=255 value="<?=$member[email]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_email checked> 공개
</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>홈피 </td>
<td align=left> <input type=text name=homepage size=50 maxlength=255 value="<?=$member[homepage]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_homepage checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>

<? if($group[use_icq]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>ICQ </td>
<td align=left> <input type=text name=icq size=20 maxlength=20 value="<?=$member[icq]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_icq checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_aol]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>AIM </td>
<td align=left> <input type=text name=aol size=20 maxlength=20 value="<?=$member[aol]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_aol checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_msn]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>MSN </td>
<td align=left> <input type=text name=msn size=20 maxlength=250 value="<?=$member[msn]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_msn checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_jumin]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt; valign=top><table border=0 cellspacing=0 cellpadding=0 height=4><tr><td></td></tr></table><b>주민등록번호  </td>
<td align=left><input type=text name=jumin1 size=6 maxlength=6 style=border-color:#d8b3b3 class=input>-<input type=text name=jumin2 size=7 maxlength=7 style=border-color:#d8b3b3 class=input> <br>* 주민등록번호는 암호화되어 저장이 되므로 관리자도 알수 없습니다<br>
  (회원 중복가입을 막기 위한 검사수단으로만 사용이 됩니다)</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_hobby]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>취미 </td>
<td align=left> <input type=text name=hobby size=50 maxlength=50 value="<?=$member[hobby]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_hobby checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_job]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>직업 </td>
<td align=left> <input type=text name=job size=20 maxlength=20 value="<?=$member[job]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_job checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_home_address]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>집 주소 </td>
<td align=left> <input type=text name=home_address size=40 maxlength=255 value="<?=$member[home_address]?>" style=border-color:#d8b3b3 class=input><input type=button value='검색' class=input style=border-color:#d8b3b3 onclick=address_popup(1)>
<input type=checkbox value=1 name=open_home_address checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_home_tel]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>집 전화 </td>
<td align=left> <input type=text name=home_tel size=20 maxlength=20 value="<?=$member[home_tel]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_home_tel checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_office_address]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>Office Address </td>
<td align=left> <input type=text name=office_address size=40 maxlength=255 value="<?=$member[office_address]?>" style=border-color:#d8b3b3 class=input><input type=button value='검색' class=input style=border-color:#d8b3b3 onclick=address_popup(2)>
<input type=checkbox value=1 name=open_office_address checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_office_tel]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>Office Phone </td>
<td align=left> <input type=text name=office_tel size=20 maxlength=20 value="<?=$member[office_tel]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_office_tel checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_handphone]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>핸드폰 </td>
<td align=left> <input type=text name=handphone size=20 maxlength=20 value="<?=$member[handphone]?>" style=border-color:#d8b3b3 class=input>
<input type=checkbox value=1 name=open_handphone checked> 공개</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_mailing]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;><b>메일링 </td>
<td align=left> <input type=checkbox name=mailing value=1 checked> 메일링 가입</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_picture]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>사진 </td>
<td align=left> <input type=file name=picture size=35 maxlength=255 style=border-color:#d8b3b3 class=input>
<? if($member[picture]) echo"<br> <img src='$member[picture]'+ '+ ' border=0>"; ?>
<input type=checkbox value=1 name=open_picture checked> 공개
</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<? if($group[use_comment]) { ?>
<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;>내 소개</td>
<td align=left> <textarea cols=50 rows=4 name=comment style=border-color:#d8b3b3 class=textarea><?=$member[comment]?></textarea><br> <input type=checkbox value=1 name=open_comment checked> 공개</td>

</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>
<? } ?>

<tr align=right height=28>
<td style=font-family:Tahoma;font-size:8pt;><b>정보 공개</td>
<td align=left> <input type=checkbox name=openinfo value=1 checked> 정보 공개</td>
<tr>
<td colspan="2">정보 유출 때문에 정보 공개는 안 찍는게 좋습니다.</td>
</tr> <tr>
<td colspan="5" bgcolor="#EBD9D9" align="center"><img src="images/t.gif" width="10" height="1"></td>
</tr>

<tr height=30 bgcolor=#ffffff>
<td colspan=2 align=right ><img src=images/t.gif height=5><br>
<input type=image border=0 src=images/button_join.gif>  
<img src=images/memo_close.gif border=0 onClick=window.close() style=cursor:hand>   
</td>
</tr>

</form>
</table>


<?
@mysql_close($connect);
foot();
?>
여기서 위의
</script>
<table border=0 cellspacing=1 cellpadding=0 width=540>
<form name=write method=post action=member_join_ok.php enctype=multipart/form-data onsubmit="return check_submit();">
<input type=hidden name=id value=<?=$id?>>
<input type=hidden name=referer value="<?=$referer?>">
<input type=hidden name=group_no value="<?=$group[no]?>">
<input type=hidden name=mode value="<?=$mode?>">

<tr><td colspan=2><img src=images/member_joinin.gif><br><br></td></tr>
이 부분의 바로 아래에 하면
그림(기본값="Join this group(service)")바로 밑에 쓸 수 있고,
위에 하면
그림 위(기본값은 최상단임)로 올라옵니다.
저는 대부분 아래를 추천합니다.